<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
    <style>
        table,td{
            border:1px solid red;
        }
        table{
            width:200px;
            height:200px;
            border-collapse:collapse;   /*表格合并*/
        }
    </style>
</head>
<body>
   <table>
       <tr>
           <td></td>
           <td></td>
           <td></td>
           <td></td>
       </tr>
       <tr>
           <td></td>
           <td></td>
           <td></td>
           <td></td>
       </tr>
       <tr>
           <td></td>
           <td></td>
           <td></td>
           <td></td>
       </tr>
       <tr>
           <td></td>
           <td></td>
           <td></td>
           <td></td>
       </tr>
   </table>
</body>
</html>